Check if luma wd and ht are multiple of min cb size
Bug: 65483665
Instead of aligning width and height to 8, it is now
checked for being a multiple of min CB size
Change-Id: I99bf60e19d490fd06933aa01fa6a34f47fe58bb4
(cherry picked from commit ccfd1ea5c4cf9cf0a55088506ae5f312663f8792)